| Riverdale to Olivares | 4,278.80 mi (6,886.07 km) |
| Riverdale to Olivenza | 4,198.15 mi (6,756.27 km) |
| Riverdale to Olot | 4,569.22 mi (7,353.45 km) |
| Riverdale to Onate | 4,316.65 mi (6,946.98 km) |
| Riverdale to Onda | 4,501.47 mi (7,244.41 km) |
| Riverdale to Onteniente | 4,516.99 mi (7,269.40 km) |
| Riverdale to Orihuela | 4,521.27 mi (7,276.28 km) |
| Riverdale to Osuna | 4,336.92 mi (6,979.60 km) |
| Riverdale to Ourense | 4,073.69 mi (6,555.98 km) |
| Riverdale to Oviedo | 4,147.00 mi (6,673.95 km) |
| Riverdale to Paiporta | 4,509.05 mi (7,256.61 km) |
| Riverdale to Pajara | 4,101.53 mi (6,600.77 km) |
| Riverdale to Palafolls | 4,596.24 mi (7,396.94 km) |
| Riverdale to Palafrugell | 4,608.29 mi (7,416.33 km) |
| Riverdale to Palamos | 4,608.78 mi (7,417.12 km) |
